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Test Mandrels |
| Test Mandrels are pulled through your duct system after conduit is installed to verify duct integrity and to comply with the ovality specification the owner may have. Mandrels can be wood with steel plates and weldless eyes, steel disks on a cable, or aluminum cylinders on a shaft or cable. |
| Test Mandrels |
| Wood Part # | Steel Part # | Aluminum Part # | Description |  |
| 3567 | 3568 | Round for 3 1/2" duct | ||
| 3569 | 3570 | Round for 4" duct | ||
| 3575 | 3576 | Round for 5" duct | ||
| 3577 | 3578 | Round for 6" duct |
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Fax 1-740-385-7592
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Copyright© 1997 Osburn Associates, Inc.
Last modified
June 28, 2010